Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 11 | class LegacyDriver implements Driver |
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| 12 | { |
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| 13 | |||
| 14 | /** @var \Buttress\Concrete\Client\Connection\Connection */ |
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| 15 | private $connection; |
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| 16 | |||
| 17 | /** @var \Buttress\Concrete\Service\Package\PackageItemFactory */ |
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| 18 | private $factory; |
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| 19 | |||
| 20 | public function __construct(Connection $connection, PackageItemFactory $factory) |
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| 25 | |||
| 26 | /** |
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| 27 | * @param \Buttress\Concrete\Service\Package\PackageItem $package |
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| 28 | * @return Package|null |
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| 29 | */ |
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| 30 | private function getPackage(PackageItem $package) |
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| 35 | |||
| 36 | /** |
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| 37 | * Install a package |
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| 38 | * |
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| 39 | * @param \Buttress\Concrete\Service\Package\PackageItem $item |
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| 40 | * @return \Buttress\Concrete\Service\Result |
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| 41 | */ |
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| 42 | public function install(PackageItem $item) |
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| 69 | |||
| 70 | /** |
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| 71 | * Uninstall a package |
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| 72 | * |
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| 73 | * @param PackageItem $item |
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| 74 | * @return \Buttress\Concrete\Service\Result |
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| 75 | */ |
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| 76 | public function uninstall(PackageItem $item) |
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| 94 | |||
| 95 | /** |
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| 96 | * Test a package for install |
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| 97 | * |
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| 98 | * @param PackageItem $package |
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| 99 | * @return \Buttress\Concrete\Service\Result |
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| 100 | */ |
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| 101 | public function test(PackageItem $package) |
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| 116 | |||
| 117 | /** |
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| 118 | * Show information about a package |
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| 119 | * |
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| 120 | * @param PackageItem $package |
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| 121 | * @return \Buttress\Concrete\Service\Result |
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| 122 | */ |
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| 123 | View Code Duplication | public function show(PackageItem $package, CLImate $cli) |
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| 133 | |||
| 134 | /** |
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| 135 | * Get a list of package item objects |
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| 136 | * @return PackageItem[] |
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| 137 | */ |
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| 138 | public function all() |
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| 150 | } |
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| 151 |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..